[FIX] website: remove ribbon on unpublished pages (new specs)

This commit reverts part of f5912cb since the spec changed afterwards.

Unpublished page will have a red toggle, which even if it is small should be
enough to draw user attention, and not a ribbon anymore.

Task-44005

addons/website/static/src/js/content/website_root.js

@@ -232,7 +232,6 @@ var WebsiteRoot = BodyManager.extend({
         })
         .done(function (result) {
             $data.toggleClass("css_unpublished css_published");
-            $(".ribbon-publish.ribbon-wrapper").toggleClass("css_unpublished css_published");
             $data.find('input').prop("checked", result);
             $data.parents("[data-publish]").attr("data-publish", +result ? 'on' : 'off');
         })

addons/website/static/src/less/website.ui.components.less

@@ -482,36 +482,3 @@ body .modal {
         }
     }
 }
-
-// Unpublished page's ribbon
-.ribbon-publish.ribbon-wrapper {
-    width: 200px;
-    height: 200px;
-    z-index: 5;
-    position: absolute;
-    right: 0;
-    overflow: hidden;
-    &.css_published {
-        display:none;
-    }
-    &.css_unpublished {
-        display:block;
-    }
-}
-.ribbon-publish .ribbon {
-    font: bold 15px Sans-Serif;
-    color: white;
-    text-align: center;
-    -webkit-transform: rotate(45deg);
-    -moz-transform: rotate(45deg);
-    -ms-transform: rotate(45deg);
-    -o-transform: rotate(45deg);
-    position: relative;
-    padding: 7px 65px;
-    right: 27px;
-    top: 44px;
-    width: 300px;
-    cursor: default;
-    white-space: unset;
-    word-wrap:break-word;
-}

addons/website/views/website_navbar_templates.xml

@@ -5,11 +5,6 @@
         <xpath expr="//t[@t-set='html_data']" position="after">
             <t t-set="body_classname" t-value="'o_connected_user' if env['ir.ui.view'].user_has_groups('base.group_user') else None"/>
         </xpath>
-        <xpath expr="//div[@id='wrapwrap']//header" position="after">
-            <div t-if="'website_published' in main_object.fields_get()" t-attf-class="ribbon-publish ribbon-wrapper #{main_object.website_published and 'css_published' or 'css_unpublished'}">
-                <div class="ribbon btn btn-danger">Unpublished</div>
-            </div>
-        </xpath>
         <xpath expr="//div[@id='wrapwrap']" position="before">
             <nav groups="base.group_user" t-if="website and menu_data" id="oe_main_menu_navbar" class="o_main_navbar">
                 <ul id="oe_applications">